13031222222131 has 8 divisors (see below), whose sum is σ = 13033164574800. Its totient is φ = 13029280031712.

The previous prime is 13031222222089. The next prime is 13031222222153. The reversal of 13031222222131 is 13122222213031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13031222222131 - 2¹⁷ = 13031222091059 is a prime.

It is a super-2 number, since 2×13031222222131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031222222096 and 13031222222105.

It is not an unprimeable number, because it can be changed into a prime (13031222222231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302938581 + ... + 302981593.

It is an arithmetic number, because the mean of its divisors is an integer number (1629145571850).

Almost surely, 2^{13031222222131} is an apocalyptic number.

13031222222131 is a deficient number, since it is larger than the sum of its proper divisors (1942352669).

13031222222131 is a wasteful number, since it uses less digits than its factorization.

13031222222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81125.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13031222222131 its reverse (13122222213031), we get a palindrome (26153444435162).

It can be divided in two parts, 1303122 and 2222131, that added together give a palindrome (3525253).

The spelling of 13031222222131 in words is "thirteen trillion, thirty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty-one".